(3TQM bGfhf GdYbhHGJ (B:s (3GdbSe GdNGU LQGFe GdCYJOGA Ydj GdCehGd (B/s - (3YHOGdYXje eQSj hRjQs ((3GdbGgQI (B:s (3OGQ GdfgVI GdYQHjI,s, 1993)
.(3HHdjhLQGajG(B.s
(3GdfU CZdHg HGddZI GdYQHjI eY HYV GdfUhU GdaQfSjIs
Keywords: (3bGfhf GdYbhHGJ (B- (3GdbSe GdNGUs